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553423 = 1342571
BaseRepresentation
bin10000111000111001111
31001010011011
42013013033
5120202143
615510051
74463323
oct2070717
91033134
10553423
11348882
12228327
13164b90
14105983
15ade9d
hex871cf

553423 has 4 divisors (see below), whose sum is σ = 596008. Its totient is φ = 510840.

The previous prime is 553417. The next prime is 553433. The reversal of 553423 is 324355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324355 = 564871.

It is a cyclic number.

It is not a de Polignac number, because 553423 - 213 = 545231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553394 and 553403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21273 + ... + 21298.

It is an arithmetic number, because the mean of its divisors is an integer number (149002).

2553423 is an apocalyptic number.

553423 is a deficient number, since it is larger than the sum of its proper divisors (42585).

553423 is a wasteful number, since it uses less digits than its factorization.

553423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42584.

The product of its digits is 1800, while the sum is 22.

The square root of 553423 is about 743.9240552637. The cubic root of 553423 is about 82.1017475815.

Adding to 553423 its reverse (324355), we get a palindrome (877778).

The spelling of 553423 in words is "five hundred fifty-three thousand, four hundred twenty-three".

Divisors: 1 13 42571 553423